Craving a quick and delicious meal? These tuna melts are the perfect solution. With a creamy tuna mixture topped with melted cheddar cheese, all on a slice of toasted bread, this dish is sure to satisfy your taste buds. It's simple to make and perfect for a busy weeknight dinner or a casual lunch.
Most of the ingredients for this recipe are common pantry staples, but you might need to check if you have dijon mustard on hand. This mustard adds a tangy flavor that elevates the tuna mixture. If you don't have it, you can find it in the condiment aisle of your local supermarket.

Ingredients For Tuna Melts Recipe
Tuna: Canned tuna is the main protein in this recipe, providing a savory and slightly salty flavor.
Mayonnaise: This adds creaminess and helps bind the tuna mixture together.
Dijon mustard: Adds a tangy and slightly spicy flavor to the tuna mixture.
Cheddar cheese: Shredded cheddar cheese melts beautifully and adds a rich, cheesy flavor.
Bread: Toasted bread serves as the base for the tuna mixture and provides a crunchy texture.
Technique Tip for This Recipe
For an extra layer of flavor, consider adding finely chopped red onions or celery to the tuna mixture. This will add a nice crunch and a bit of freshness to the tuna melts. Additionally, you can experiment with different types of cheese such as gruyere or mozzarella for a unique twist.
Suggested Side Dishes
Alternative Ingredients
tuna - Substitute with canned salmon: Canned salmon offers a similar texture and flavor profile, making it a great alternative to tuna.
mayonnaise - Substitute with Greek yogurt: Greek yogurt provides a creamy texture and tangy flavor, while being lower in fat and calories.
dijon mustard - Substitute with whole grain mustard: Whole grain mustard has a similar tangy flavor with a bit more texture, adding a nice crunch to the mix.
shredded cheddar cheese - Substitute with shredded mozzarella cheese: Mozzarella melts well and has a mild flavor that complements the other ingredients.
toasted bread - Substitute with toasted English muffins: English muffins provide a sturdy base and a slightly different texture, making them a good alternative to regular bread.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
- Allow the tuna melts to cool completely before storing. This prevents condensation, which can make the bread soggy.
- Wrap each tuna melt individually in aluminum foil or plastic wrap. This helps maintain their shape and prevents them from sticking together.
- Place the wrapped tuna melts in an airtight container or a resealable plastic bag. This ensures they stay fresh and don't absorb any unwanted odors from the fridge.
- Store the container in the refrigerator if you plan to consume the tuna melts within 2-3 days. For longer storage, place the container in the freezer.
- When freezing, label the container with the date to keep track of how long they've been stored. Tuna melts can be frozen for up to 1 month.
- To reheat refrigerated tuna melts, preheat your oven to 350°F (175°C). Place the tuna melts on a baking sheet and heat for about 10 minutes, or until the cheese is melted and the tuna melts are warmed through.
- For frozen tuna melts, thaw them in the refrigerator overnight before reheating. Alternatively, you can reheat them directly from frozen by baking at 350°F (175°C) for 20-25 minutes, or until heated through and the cheese is bubbly.
- Avoid using a microwave to reheat tuna melts, as it can make the bread rubbery and the cheese unevenly melted. The oven method ensures a crispy, delicious result.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover tuna melts on a baking sheet.
- Cover them loosely with aluminum foil to prevent the bread from getting too crispy.
- Bake for about 10-15 minutes, or until the cheese is melted and the tuna mixture is heated through.
Toaster Oven Method:
- Preheat your toaster oven to 350°F (175°C).
- Place the tuna melts directly on the rack or on a small baking tray.
- Toast for about 8-10 minutes, keeping an eye on them to ensure the cheese melts perfectly without burning.
Microwave Method:
- Place the tuna melts on a microwave-safe plate.
- Cover with a microwave-safe lid or a damp paper towel to retain moisture.
- Heat on medium power for about 1-2 minutes, checking halfway through to ensure even heating. Be cautious as the bread may become slightly soggy.
Stovetop Method:
- Preheat a non-stick skillet over medium-low heat.
- Place the tuna melts in the skillet and cover with a lid.
- Heat for about 5-7 minutes, or until the cheese is melted and the tuna mixture is warmed through. Flip halfway if necessary to avoid burning the bread.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the tuna melts in the air fryer basket in a single layer.
- Air fry for about 5-7 minutes, checking halfway to ensure the cheese is melting evenly and the bread is not over-crisping.
Best Tools for This Recipe
Oven: Used to bake the tuna melts at 400°F (200°C) until the cheese is melted and bubbly.
Mixing bowl: Used to combine the tuna, mayonnaise, and dijon mustard.
Baking sheet: Used to place the bread slices on for baking in the oven.
Can opener: Used to open the cans of tuna.
Spatula: Used to spread the tuna mixture evenly on the toasted bread slices.
Cheese grater: Used to shred the cheddar cheese if it is not pre-shredded.
Toaster: Used to toast the bread slices before adding the tuna mixture and cheese.
Measuring cup: Used to measure ¼ cup of mayonnaise.
Measuring spoon: Used to measure 1 tablespoon of dijon mustard.
How to Save Time on Making This Recipe
Use pre-toasted bread: Save time by using pre-toasted bread instead of toasting it yourself.
Pre-shredded cheese: Opt for pre-shredded cheddar cheese to cut down on prep time.
Mix in advance: Combine the tuna mixture ahead of time and store it in the fridge.
Quick bake: Use a broiler for a faster melt, keeping an eye on it to prevent burning.
Batch preparation: Make multiple tuna melts at once and freeze extras for a quick meal later.
Tuna Melts Recipe
Ingredients
Main Ingredients
- 2 cans Tuna drained
- ¼ cup Mayonnaise
- 1 tablespoon Dijon mustard
- 1 cup Shredded cheddar cheese
- 4 slices Bread toasted
Instructions
- Preheat your oven to 400°F (200°C).
- In a mixing bowl, combine the tuna, mayonnaise, and Dijon mustard.
- Spread the tuna mixture evenly on the toasted bread slices.
- Top each slice with shredded cheddar cheese.
- Place the slices on a baking sheet and bake in the preheated oven for about 10 minutes, or until the cheese is melted and bubbly.
- Serve hot and enjoy!
Nutritional Value
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